Back to results
US 2003/0155142 A1Published application
Percussion tool
AssigneeHitachi Koki Co., Ltd.
InventorsAtsuyuki Kikuchi, Masato Sakai
Life of this patent
Estimating the term…
Abstract
In a percussion tool such as an electric hammer or a hammer drill in which the axial direction of a motor 8 is substantially perpendicular to that of a tool bit 1 attached to a tool holder 2, a motor housing 3 is made of a hard material such as aluminum, and a tail cover 4 is disposed on the lower end of the motor housing 3, projections 3a and 3b which project beyond the tail cover 4 are disposed.
Claims5
A percussion tool comprising:
- a motor;
- a tool holder which detachably holds a tool bit;
- a member which converts a turning force of said motor into a reciprocating force, and transmits the reciprocating force to said tool bit in which an axial direction of said motor is substantially perpendicular to an axial direction of said tool bit which is held by said tool holder;
- a motor housing which covers said motor is made of a hard material;
- and
- a tail cover is attached to a lower end of said motor housing,
- wherein a projection which projects beyond said tail cover is disposed on said motor housing.
4 more elements
Dependencies are inferred from the claim text.